Navigating the Complexities of Symptomatic Hydronephrosis in Pregnancy

Area of Science:

• Urology
• Obstetrics
• Radiology

Background:

• Symptomatic hydronephrosis in pregnancy lacks clear clinical guidelines for management.
• Challenges include differentiating physiological from pathological obstruction and selecting safe pain management and interventions for mother and fetus.

Purpose of the Study:

• To review diagnostic and management complexities of symptomatic hydronephrosis in pregnancy.
• To identify gaps in current clinical guidelines and provide insights for improved patient care.

Main Methods:

• Comprehensive literature search of PubMed, Embase, and Google Scholar.
• Keywords included "hydronephrosis", "hydronephrosis in pregnancy", "ionising radiation in pregnancy", and "safe analgesia in pregnancy".
• References organized using Mendeley software.

Main Results:

• Diagnostic imaging involves balancing accuracy with fetal radiation exposure; ultrasound is first-line, MRI has artifact issues, and low-dose CT (<1 mGy) is acceptable.
• Management options include conservative treatment or interventions like percutaneous nephrostomy or ureteric stents, with no consensus on drain change frequency.
• Definitive procedures are controversial and typically limited to specialist centers in the second trimester.

Conclusions:

• There is a significant need for consensus-based clinical guidelines for managing symptomatic hydronephrosis in pregnancy.
• Further research is needed to establish optimal protocols for imaging, pain management, interventions, and follow-up to ensure maternal and fetal safety.